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Models with correlated disorders are rather common in physics. In some of them, like the Aubry-Andr\'e (AA) model, the localization phase diagram can be found from the (self)duality with respect to the Fourier transform. In the others, like…

无序系统与神经网络 · 物理学 2025-03-11 Shilpi Roy , Saurabh Basu , Ivan M. Khaymovich

The design of high-entropy alloys (HEA) with desired properties is challenging due to their large compositional space. While various machine learning (ML) models can predict specific HEA solid-solution phases (SS), predicting high-entropy…

材料科学 · 物理学 2023-06-27 Jie Qi , Diego Ibarra Hoyos , S. Joseph Poon

Deep neural networks may perform poorly when training datasets are heavily class-imbalanced. Recently, two-stage methods decouple representation learning and classifier learning to improve performance. But there is still the vital issue of…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Zhisheng Zhong , Jiequan Cui , Shu Liu , Jiaya Jia

Machine learning has revolutionized many fields of science and technology. Through the $k$-Nearest Neighbors algorithm, we develop a model-independent classifier, where the algorithm can classify phases of a model to which it has never had…

量子物理 · 物理学 2023-09-06 Felipe Mahlow , Fabrício S. Luiz , André L. Malvezzi , Felipe F. Fanchini

The area of Machine learning (ML) has seen exceptional growth in recent years. Successful implementation of ML methods in various branches of physics has led to new insights. These methods have been shown to classify phases in condensed…

统计力学 · 物理学 2021-05-25 Karthik Padavala , Avaneesh Singh , Joyjit Kundu

Deep neural networks for image classification typically consists of a convolutional feature extractor followed by a fully connected classifier network. The predicted and the ground truth labels are represented as one hot vectors. Such a…

计算机视觉与模式识别 · 计算机科学 2018-08-22 Soham Saha , Girish Varma , C. V. Jawahar

Hyper-spectral images are images captured from a satellite that gives spatial and spectral information of specific region.A Hyper-spectral image contains much more number of channels as compared to a RGB image, hence containing more…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Uphar Singh , Tushar Musale , Ranjana Vyas , O. P. Vyas

The use of machine learning algorithms to investigate phase transitions in physical systems is a valuable way to better understand the characteristics of these systems. Neural networks have been used to extract information of phases and…

神经与进化计算 · 计算机科学 2025-10-21 Rodrigo Carmo Terin , Zochil González Arenas , Roberto Santana

Graphs with heterophily, where adjacent nodes carry different labels, are prevalent in real-world applications, from social networks to molecular interactions. However, existing spectral Graph Neural Network (GNN) approaches tailored for…

机器学习 · 计算机科学 2026-05-13 Md Sazzad Hossen , Avimanyu Sahoo

A new characterization of the Anderson phase transition, based on the response of the system to the boundary conditions is introduced. We change the boundary conditions from periodic to antiperiodic and look for its effects on the…

强关联电子 · 物理学 2023-04-20 Mohammad Pouranvari

We train an artificial neural network which distinguishes chaotic and regular dynamics of the two-dimensional Chirikov standard map. We use finite length trajectories and compare the performance with traditional numerical methods which need…

机器学习 · 计算机科学 2020-04-24 Woo Seok Lee , Sergej Flach

Topological phase transitions, which do not adhere to Landau's phenomenological model (i.e. a spontaneous symmetry breaking process and vanishing local order parameters) have been actively researched in condensed matter physics. Machine…

介观与纳米尺度物理 · 物理学 2021-03-03 Alexander Kerr , Geo Jose , Colin Riggert , Kieran Mullen

The three-dimensional Anderson model is a well-studied model of disordered electron systems that shows the delocalization--localization transition. As in our previous papers on two- and three-dimensional (2D, 3D) quantum phase transitions…

无序系统与神经网络 · 物理学 2017-10-30 Tomohiro Mano , Tomi Ohtsuki

Nowadays, neural networks are widely used in many applications as artificial intelligence models for learning tasks. Since typically neural networks process a very large amount of data, it is convenient to formulate them within the…

最优化与控制 · 数学 2021-11-10 M. Herty , T. Trimborn , G. Visconti

Several authors have reported that the echo state network reproduces bifurcation diagrams of some nonlinear differential equations using the data for a few control parameters. We demonstrate that a simpler feedforward neural network can…

混沌动力学 · 物理学 2024-09-13 Hidetsugu Sakaguchi

The Hopfield model is a paradigmatic model of neural networks that has been analyzed for many decades in the statistical physics, neuroscience, and machine learning communities. Inspired by the manifold hypothesis in machine learning, we…

无序系统与神经网络 · 物理学 2023-05-01 Matteo Negri , Clarissa Lauditi , Gabriele Perugini , Carlo Lucibello , Enrico Malatesta

The long-tailed distribution datasets poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balacing strategies or transfer learing from…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Gongzhe Li , Zhiwen Tan , Linpeng Pan

To fit sparse linear associations, a LASSO sparsity inducing penalty with a single hyperparameter provably allows to recover the important features (needles) with high probability in certain regimes even if the sample size is smaller than…

机器学习 · 统计学 2022-01-24 Xiaoyu Ma , Sylvain Sardy , Nick Hengartner , Nikolai Bobenko , Yen Ting Lin

Despite the recent popularity of deep generative state space models, few comparisons have been made between network architectures and the inference steps of the Bayesian filtering framework -- with most models simultaneously approximating…

机器学习 · 统计学 2020-09-29 Bryan Lim , Stefan Zohren , Stephen Roberts

ADHD is a prevalent disorder among the younger population. Standard evaluation techniques currently use evaluation forms, interviews with the patient, and more. However, its symptoms are similar to those of many other disorders like…

人工智能 · 计算机科学 2023-02-02 Abhishek Sharma , Arpit Jain , Shubhangi Sharma , Ashutosh Gupta , Prateek Jain , Saraju P. Mohanty